Warning: Permanently added '[localhost]:17201' (ECDSA) to the list of known hosts. 2022/09/14 12:38:10 fuzzer started 2022/09/14 12:38:10 dialing manager at localhost:33849 syzkaller login: [ 45.538550] cgroup: Unknown subsys name 'net' [ 45.640651] cgroup: Unknown subsys name 'rlimit' 2022/09/14 12:38:25 syscalls: 2215 2022/09/14 12:38:25 code coverage: enabled 2022/09/14 12:38:25 comparison tracing: enabled 2022/09/14 12:38:25 extra coverage: enabled 2022/09/14 12:38:25 setuid sandbox: enabled 2022/09/14 12:38:25 namespace sandbox: enabled 2022/09/14 12:38:25 Android sandbox: enabled 2022/09/14 12:38:25 fault injection: enabled 2022/09/14 12:38:25 leak checking: enabled 2022/09/14 12:38:25 net packet injection: enabled 2022/09/14 12:38:25 net device setup: enabled 2022/09/14 12:38:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/14 12:38:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/14 12:38:25 USB emulation: enabled 2022/09/14 12:38:25 hci packet injection: enabled 2022/09/14 12:38:25 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220914) 2022/09/14 12:38:25 802.15.4 emulation: enabled 2022/09/14 12:38:25 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/14 12:38:25 fetching corpus: 50, signal 32283/35702 (executing program) 2022/09/14 12:38:25 fetching corpus: 100, signal 48752/53451 (executing program) 2022/09/14 12:38:25 fetching corpus: 150, signal 58624/64543 (executing program) 2022/09/14 12:38:25 fetching corpus: 200, signal 66443/73458 (executing program) 2022/09/14 12:38:25 fetching corpus: 250, signal 73096/81195 (executing program) 2022/09/14 12:38:25 fetching corpus: 300, signal 78774/87848 (executing program) 2022/09/14 12:38:26 fetching corpus: 350, signal 84500/94412 (executing program) 2022/09/14 12:38:26 fetching corpus: 400, signal 88412/99220 (executing program) 2022/09/14 12:38:26 fetching corpus: 450, signal 92005/103681 (executing program) 2022/09/14 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corpus: 4464, signal 208214/214955 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215020 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215095 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215170 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215246 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215340 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215347 (executing program) 2022/09/14 12:38:38 fetching corpus: 4464, signal 208214/215347 (executing program) 2022/09/14 12:38:40 starting 8 fuzzer processes 12:38:40 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000000)) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000200)) close_range(r0, 0xffffffffffffffff, 0x0) 12:38:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x5452, 0x0) 12:38:40 executing program 1: syz_io_uring_setup(0x6710, &(0x7f0000000100), &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000000180), &(0x7f00000001c0)) 12:38:40 executing program 3: sendmsg$SMC_PNETID_GET(0xffffffffffffffff, 0x0, 0x20000000) r0 = memfd_secret(0x0) sendmsg$SMC_PNETID_FLUSH(r0, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x28, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@SMC_PNETID_ETHNAME={0x14, 0x2, 'caif0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/cpuinfo\x00', 0x0, 0x0) syz_genetlink_get_family_id$SEG6(&(0x7f0000000340), r0) r1 = open_tree(0xffffffffffffffff, 0x0, 0x900) socket(0x0, 0x800, 0x7) syz_genetlink_get_family_id$smc(&(0x7f0000000400), r1) openat$full(0xffffffffffffff9c, &(0x7f0000000540), 0x20c01, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r1, 0xc0189378, 0x0) syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000a00), 0x4000, 0x0) 12:38:40 executing program 4: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84758, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000100)={0x0, &(0x7f0000000040)}, 0x10) socket$inet_udp(0x2, 0x2, 0x0) r2 = dup(r0) connect$inet6(r2, &(0x7f00000000c0)={0xa, 0x0, 0x0, @mcast2, 0x2}, 0x1c) connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @dev}}, 0x1c) sendmmsg$inet6(r2, &(0x7f0000000500)=[{{&(0x7f0000000280)={0xa, 0x4e22, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x40}, 0x0, &(0x7f00000004c0)=[{&(0x7f00000002c0)="840ed7cb019cc4c626bd522b9b297ab0228f"}, {&(0x7f0000000440)="f117c9546fdf673e848c4c40aae7d578e6a70ca6261a43b646cf390b39b5b5f8e490cbc2954c666512f0df544eee3737d7dfed7d929427a7110deb7349410be3c1ce5c55ab6187bb39dc6908fd34b3b34203a5184310cdcb173d03bad191e46181"}, {&(0x7f0000000300)="9fb8735a86"}]}}], 0x63, 0x24048894) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f0000000140)={'bridge_slave_1\x00'}) 12:38:40 executing program 5: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000440), 0x2}, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x3, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x1200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) fallocate(r0, 0x0, 0x0, 0x87ffffc) lsetxattr(&(0x7f0000000340)='./file1\x00', &(0x7f00000003c0)=@random={'security.', '/dev/ptp0\x00'}, &(0x7f0000000400)='/dev/ptp0\x00', 0xa, 0x0) r1 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000040), 0x800, 0x0) readv(r1, &(0x7f0000000300)=[{&(0x7f0000000140)=""/147, 0x93}, {&(0x7f0000000200)=""/116, 0x74}], 0x2) syz_open_dev$tty20(0xc, 0x4, 0x1) socket$nl_netfilter(0x10, 0x3, 0xc) [ 75.858451] audit: type=1400 audit(1663159120.991:6): avc: denied { execmem } for pid=284 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 12:38:40 executing program 6: socket$inet6(0xa, 0x3, 0x0) 12:38:41 executing program 7: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x77, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000300)={{0x2, 0x0, @dev}, {0x0, @broadcast}, 0x0, {0x2, 0x0, @multicast2}}) [ 77.262573] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.264573] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 77.266392] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 77.267703] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 77.269349] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 77.271252] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.272362] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 77.273567] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 77.274595] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 77.275658] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 77.277268] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 77.278651] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 77.279677] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.280828] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 77.282022] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 77.287443] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 77.290078] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 77.291228] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 77.292337] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.293437] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 77.294676] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 77.295980] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 77.298377] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 77.299378] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 77.301709] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 77.302912] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.303946] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 77.305615] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 77.307688] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 77.308701] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.308699] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 77.309361] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 77.310903] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 77.313367] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 77.316413] Bluetooth: hci5: HCI_REQ-0x0c1a [ 77.319005] Bluetooth: hci4: HCI_REQ-0x0c1a [ 77.321540] Bluetooth: hci3: HCI_REQ-0x0c1a [ 77.322488] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 77.333427] Bluetooth: hci0: HCI_REQ-0x0c1a [ 77.333862] Bluetooth: hci1: HCI_REQ-0x0c1a [ 77.335125] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 77.338184] Bluetooth: hci2: HCI_REQ-0x0c1a [ 77.365487] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 77.366581] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 77.367477] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 77.369230] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 77.370375] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 77.371171] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 77.373848] Bluetooth: hci6: HCI_REQ-0x0c1a [ 79.361349] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 79.361529] Bluetooth: hci0: command 0x0409 tx timeout [ 79.364535] Bluetooth: hci1: command 0x0409 tx timeout [ 79.364949] Bluetooth: hci2: command 0x0409 tx timeout [ 79.369063] Bluetooth: hci4: command 0x0409 tx timeout [ 79.379171] Bluetooth: hci3: command 0x0409 tx timeout [ 79.380126] Bluetooth: hci5: command 0x0409 tx timeout [ 79.425443] Bluetooth: hci6: command 0x0409 tx timeout [ 81.409510] Bluetooth: hci5: command 0x041b tx timeout [ 81.410127] Bluetooth: hci2: command 0x041b tx timeout [ 81.410575] Bluetooth: hci1: command 0x041b tx timeout [ 81.410963] Bluetooth: hci0: command 0x041b tx timeout [ 81.411017] Bluetooth: hci3: command 0x041b tx timeout [ 81.411829] Bluetooth: hci4: command 0x041b tx timeout [ 81.473096] Bluetooth: hci6: command 0x041b tx timeout [ 82.358415] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 82.361275] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 82.362688] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 82.370942] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 82.372547] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 82.374490] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 82.381074] Bluetooth: hci7: HCI_REQ-0x0c1a [ 83.457113] Bluetooth: hci4: command 0x040f tx timeout [ 83.457206] Bluetooth: hci0: command 0x040f tx timeout [ 83.457614] Bluetooth: hci3: command 0x040f tx timeout [ 83.460249] Bluetooth: hci1: command 0x040f tx timeout [ 83.460666] Bluetooth: hci2: command 0x040f tx timeout [ 83.461114] Bluetooth: hci5: command 0x040f tx timeout [ 83.522088] Bluetooth: hci6: command 0x040f tx timeout [ 84.417107] Bluetooth: hci7: command 0x0409 tx timeout [ 85.505100] Bluetooth: hci0: command 0x0419 tx timeout [ 85.505555] Bluetooth: hci4: command 0x0419 tx timeout [ 85.506221] Bluetooth: hci5: command 0x0419 tx timeout [ 85.506761] Bluetooth: hci2: command 0x0419 tx timeout [ 85.508623] Bluetooth: hci1: command 0x0419 tx timeout [ 85.509819] Bluetooth: hci3: command 0x0419 tx timeout [ 85.570142] Bluetooth: hci6: command 0x0419 tx timeout [ 86.467723] Bluetooth: hci7: command 0x041b tx timeout [ 88.513153] Bluetooth: hci7: command 0x040f tx timeout [ 90.561528] Bluetooth: hci7: command 0x0419 tx timeout [ 134.519124] audit: type=1400 audit(1663159179.652:7): avc: denied { open } for pid=3711 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 134.522150] audit: type=1400 audit(1663159179.652:8): avc: denied { kernel } for pid=3711 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 134.543017] ------------[ cut here ]------------ [ 134.543043] [ 134.543047] ====================================================== [ 134.543051] WARNING: possible circular locking dependency detected [ 134.543055] 6.0.0-rc5-next-20220914 #1 Not tainted [ 134.543061] ------------------------------------------------------ [ 134.543065] syz-executor.0/3712 is trying to acquire lock: [ 134.543072] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 134.543111] [ 134.543111] but task is already holding lock: [ 134.543114] ffff888009061c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 134.543141] [ 134.543141] which lock already depends on the new lock. [ 134.543141] [ 134.543145] [ 134.543145] the existing dependency chain (in reverse order) is: [ 134.543148] [ 134.543148] -> #3 (&ctx->lock){....}-{2:2}: [ 134.543162] _raw_spin_lock+0x2a/0x40 [ 134.543179] __perf_event_task_sched_out+0x53b/0x18d0 [ 134.543192] __schedule+0xedd/0x2470 [ 134.543203] schedule+0xda/0x1b0 [ 134.543212] exit_to_user_mode_prepare+0x114/0x1a0 [ 134.543233] syscall_exit_to_user_mode+0x19/0x40 [ 134.543250] do_syscall_64+0x48/0x90 [ 134.543263] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.543281] [ 134.543281] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 134.543294] _raw_spin_lock_nested+0x30/0x40 [ 134.543309] raw_spin_rq_lock_nested+0x1e/0x30 [ 134.543323] task_fork_fair+0x63/0x4d0 [ 134.543339] sched_cgroup_fork+0x3d0/0x540 [ 134.543353] copy_process+0x4183/0x6e20 [ 134.543364] kernel_clone+0xe7/0x890 [ 134.543373] user_mode_thread+0xad/0xf0 [ 134.543383] rest_init+0x24/0x250 [ 134.543399] arch_call_rest_init+0xf/0x14 [ 134.543411] start_kernel+0x4c1/0x4e6 [ 134.543420] secondary_startup_64_no_verify+0xe0/0xeb [ 134.543435] [ 134.543435] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 134.543449] _raw_spin_lock_irqsave+0x39/0x60 [ 134.543463] try_to_wake_up+0xab/0x1920 [ 134.543476] up+0x75/0xb0 [ 134.543487] __up_console_sem+0x6e/0x80 [ 134.543503] console_unlock+0x46a/0x590 [ 134.543519] do_con_write+0xc05/0x1d50 [ 134.543530] con_write+0x21/0x40 [ 134.543539] n_tty_write+0x4d4/0xfe0 [ 134.543552] file_tty_write.constprop.0+0x49c/0x8f0 [ 134.543564] vfs_write+0x9c3/0xd90 [ 134.543582] ksys_write+0x127/0x250 [ 134.543598] do_syscall_64+0x3b/0x90 [ 134.543611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.543627] [ 134.543627] -> #0 ((console_sem).lock){....}-{2:2}: [ 134.543641] __lock_acquire+0x2a02/0x5e70 [ 134.543657] lock_acquire+0x1a2/0x530 [ 134.543672] _raw_spin_lock_irqsave+0x39/0x60 [ 134.543687] down_trylock+0xe/0x70 [ 134.543699] __down_trylock_console_sem+0x3b/0xd0 [ 134.543715] vprintk_emit+0x16b/0x560 [ 134.543730] vprintk+0x84/0xa0 [ 134.543746] _printk+0xba/0xf1 [ 134.543764] report_bug.cold+0x72/0xab [ 134.543776] handle_bug+0x3c/0x70 [ 134.543788] exc_invalid_op+0x14/0x50 [ 134.543801] asm_exc_invalid_op+0x16/0x20 [ 134.543817] group_sched_out.part.0+0x2c7/0x460 [ 134.543827] ctx_sched_out+0x8f1/0xc10 [ 134.543837] __perf_event_task_sched_out+0x6d0/0x18d0 [ 134.543849] __schedule+0xedd/0x2470 [ 134.543858] schedule+0xda/0x1b0 [ 134.543868] exit_to_user_mode_prepare+0x114/0x1a0 [ 134.543886] syscall_exit_to_user_mode+0x19/0x40 [ 134.543902] do_syscall_64+0x48/0x90 [ 134.543915] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.543932] [ 134.543932] other info that might help us debug this: [ 134.543932] [ 134.543934] Chain exists of: [ 134.543934] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 134.543934] [ 134.543949] Possible unsafe locking scenario: [ 134.543949] [ 134.543952] CPU0 CPU1 [ 134.543954] ---- ---- [ 134.543957] lock(&ctx->lock); [ 134.543962] lock(&rq->__lock); [ 134.543969] lock(&ctx->lock); [ 134.543975] lock((console_sem).lock); [ 134.543981] [ 134.543981] *** DEADLOCK *** [ 134.543981] [ 134.543983] 2 locks held by syz-executor.0/3712: [ 134.543990] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 134.544016] #1: ffff888009061c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 134.544043] [ 134.544043] stack backtrace: [ 134.544046] CPU: 0 PID: 3712 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220914 #1 [ 134.544059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 134.544067] Call Trace: [ 134.544071] [ 134.544076] dump_stack_lvl+0x8b/0xb3 [ 134.544090] check_noncircular+0x263/0x2e0 [ 134.544107] ? format_decode+0x26c/0xb50 [ 134.544122] ? print_circular_bug+0x450/0x450 [ 134.544138] ? enable_ptr_key_workfn+0x20/0x20 [ 134.544153] ? format_decode+0x26c/0xb50 [ 134.544168] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 134.544186] __lock_acquire+0x2a02/0x5e70 [ 134.544207] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 134.544229] lock_acquire+0x1a2/0x530 [ 134.544245] ? down_trylock+0xe/0x70 [ 134.544260] ? rcu_read_unlock+0x40/0x40 [ 134.544280] ? vprintk+0x84/0xa0 [ 134.544298] _raw_spin_lock_irqsave+0x39/0x60 [ 134.544313] ? down_trylock+0xe/0x70 [ 134.544326] down_trylock+0xe/0x70 [ 134.544339] ? vprintk+0x84/0xa0 [ 134.544356] __down_trylock_console_sem+0x3b/0xd0 [ 134.544373] vprintk_emit+0x16b/0x560 [ 134.544392] vprintk+0x84/0xa0 [ 134.544409] _printk+0xba/0xf1 [ 134.544426] ? record_print_text.cold+0x16/0x16 [ 134.544447] ? report_bug.cold+0x66/0xab [ 134.544461] ? group_sched_out.part.0+0x2c7/0x460 [ 134.544473] report_bug.cold+0x72/0xab [ 134.544487] handle_bug+0x3c/0x70 [ 134.544501] exc_invalid_op+0x14/0x50 [ 134.544515] asm_exc_invalid_op+0x16/0x20 [ 134.544532] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 134.544545] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 134.544557] RSP: 0018:ffff88803c507c48 EFLAGS: 00010006 [ 134.544566] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 134.544574] RDX: ffff8880188e3580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 134.544582] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 134.544589] R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888009061c00 [ 134.544597] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 134.544608] ? group_sched_out.part.0+0x2c7/0x460 [ 134.544621] ? group_sched_out.part.0+0x2c7/0x460 [ 134.544634] ctx_sched_out+0x8f1/0xc10 [ 134.544646] __perf_event_task_sched_out+0x6d0/0x18d0 [ 134.544662] ? lock_is_held_type+0xd7/0x130 [ 134.544679] ? __perf_cgroup_move+0x160/0x160 [ 134.544691] ? set_next_entity+0x304/0x550 [ 134.544708] ? update_curr+0x267/0x740 [ 134.544726] ? lock_is_held_type+0xd7/0x130 [ 134.544744] __schedule+0xedd/0x2470 [ 134.544758] ? io_schedule_timeout+0x150/0x150 [ 134.544770] ? rcu_read_lock_sched_held+0x3e/0x80 [ 134.544791] schedule+0xda/0x1b0 [ 134.544802] exit_to_user_mode_prepare+0x114/0x1a0 [ 134.544822] syscall_exit_to_user_mode+0x19/0x40 [ 134.544839] do_syscall_64+0x48/0x90 [ 134.544853] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.544870] RIP: 0033:0x7f15112aab19 [ 134.544879] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 134.544890] RSP: 002b:00007f150e820218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 134.544901] RAX: 0000000000000001 RBX: 00007f15113bdf68 RCX: 00007f15112aab19 [ 134.544909] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f15113bdf6c [ 134.544916] RBP: 00007f15113bdf60 R08: 000000000000000e R09: 0000000000000000 [ 134.544923] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f15113bdf6c [ 134.544931] R13: 00007fff9c0e085f R14: 00007f150e820300 R15: 0000000000022000 [ 134.544944] [ 134.601083] WARNING: CPU: 0 PID: 3712 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 134.601745] Modules linked in: [ 134.601981] CPU: 0 PID: 3712 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220914 #1 [ 134.602571] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 134.603387] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 134.603787] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 134.605093] RSP: 0018:ffff88803c507c48 EFLAGS: 00010006 [ 134.605481] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 134.606004] RDX: ffff8880188e3580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 134.606528] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 134.607054] R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888009061c00 [ 134.607582] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 134.608101] FS: 00007f150e820700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 134.608697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 134.609123] CR2: 00007f293e27b6f4 CR3: 0000000018762000 CR4: 0000000000350ef0 [ 134.609653] Call Trace: [ 134.609845] [ 134.610019] ctx_sched_out+0x8f1/0xc10 [ 134.610313] __perf_event_task_sched_out+0x6d0/0x18d0 [ 134.610692] ? lock_is_held_type+0xd7/0x130 [ 134.611027] ? __perf_cgroup_move+0x160/0x160 [ 134.611358] ? set_next_entity+0x304/0x550 [ 134.611678] ? update_curr+0x267/0x740 [ 134.611978] ? lock_is_held_type+0xd7/0x130 [ 134.612311] __schedule+0xedd/0x2470 [ 134.612596] ? io_schedule_timeout+0x150/0x150 [ 134.612942] ? rcu_read_lock_sched_held+0x3e/0x80 [ 134.613305] schedule+0xda/0x1b0 [ 134.613561] exit_to_user_mode_prepare+0x114/0x1a0 [ 134.613950] syscall_exit_to_user_mode+0x19/0x40 [ 134.614311] do_syscall_64+0x48/0x90 [ 134.614595] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.614973] RIP: 0033:0x7f15112aab19 [ 134.615260] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 134.616575] RSP: 002b:00007f150e820218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 134.617127] RAX: 0000000000000001 RBX: 00007f15113bdf68 RCX: 00007f15112aab19 [ 134.617653] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f15113bdf6c [ 134.618178] RBP: 00007f15113bdf60 R08: 000000000000000e R09: 0000000000000000 [ 134.618693] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f15113bdf6c [ 134.619212] R13: 00007fff9c0e085f R14: 00007f150e820300 R15: 0000000000022000 [ 134.619751] [ 134.619932] irq event stamp: 2708 [ 134.620195] hardirqs last enabled at (2707): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 134.620885] hardirqs last disabled at (2708): [] __schedule+0x1225/0x2470 [ 134.621488] softirqs last enabled at (2332): [] __irq_exit_rcu+0x11b/0x180 [ 134.622116] softirqs last disabled at (2323): [] __irq_exit_rcu+0x11b/0x180 [ 134.622743] ---[ end trace 0000000000000000 ]--- [ 137.692810] audit: type=1400 audit(1663159182.826:9): avc: denied { tracepoint } for pid=3888 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 138.610888] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 138.612672] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 138.614395] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 138.616708] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 138.618403] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 138.619716] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 138.623414] Bluetooth: hci1: HCI_REQ-0x0c1a [ 140.417091] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 140.609077] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 140.609100] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 140.610164] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 140.673145] Bluetooth: hci1: command 0x0409 tx timeout [ 142.722097] Bluetooth: hci1: command 0x041b tx timeout [ 142.852313] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 142.855465] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 142.856978] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 142.866704] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 142.869522] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 142.872156] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 142.875285] Bluetooth: hci3: HCI_REQ-0x0c1a VM DIAGNOSIS: 12:39:39 Registers: info registers vcpu 0 RAX=000000000000000d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b24f1 RDI=ffffffff87641b60 RBP=ffffffff87641b20 RSP=ffff88803c507698 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=000000000000000d R13=ffffffff87641b20 R14=0000000000000010 R15=ffffffff822b24e0 RIP=ffffffff822b2549 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f150e820700 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f293e27b6f4 CR3=0000000018762000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 00007f15113917c0 00007f15113917c8 YMM02=0000000000000000 0000000000000000 00007f15113917e0 00007f15113917c0 YMM03=0000000000000000 0000000000000000 00007f15113917c8 00007f15113917c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff84263457 RDX=ffffed100d9c6f99 RSI=0000000000000004 RDI=ffff88806ce37cc0 RBP=ffff88806ce37cc0 RSP=ffff88801b72f868 R8 =0000000000000000 R9 =ffff88806ce37cc3 R10=ffffed100d9c6f98 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9c6f98 R14=0000000000000001 R15=1ffff110036e5f0e RIP=ffffffff842634d4 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3e6cfb96f4 CR3=000000000f0f0000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 ff00000000000000 ff0000000000ff00 YMM02=0000000000000000 0000000000000000 00000000000000ff 0000000000000000 YMM03=0000000000000000 0000000000000000 00000000000000ff 00000000000000ff YMM04=0000000000000000 0000000000000000 00000000ff000000 ff000000ff000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000